SpringerLink
Log in

Intelligent distribution transformer using a fractionally rated converter based on an existing distribution transformer

  • Original Article
  • Published:
Journal of Power Electronics Aims and scope Submit manuscript

Abstract

This article proposes an intelligent distribution transformer topology. The proposed system includes a transformer and a fractionally rated power converter, which is placed on the low-voltage side. The power converter synthesizes the voltage to maintain the load voltage and improve the power quality. The proposed system does not require any additional bulky transformers or huge battery energy storage. The series-connected structure considerably reduces the power rating of the power converter, resulting in low costs. The proposed system is more efficient and reliable than existing solid-state transformers. In this article, the configuration and control strategies of the proposed system are described. The verification results, including the simulations and experiments, prove that the voltage can be maintained even under load fluctuations.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Fig. 10
Fig. 11
Fig. 12

Similar content being viewed by others

Data availability

The authors have agreed that the data is available for this journal.

References

  1. J. Morren, S. W. H. de Haan, J. A. Ferreira.: Distributed generation units contributing to voltage control in distribution networks. 39th International Universities Power Engineering Conference, UPEC 2004, 789–793 (2004).

  2. M. S. Saleh, A. Althaibani, Y. Esa, Y. Mhandi, A. A. Mohamed: Impact of clustering microgrids on their stability and resilience during blackouts. Proc. - 2015 International Conference on Smart Grid and Clean Energy Technologies. ICSGCE 2015, 195–200 (2016)

  3. IEEE Std 519–2014. (Revision of IEEE Std 519–1992): IEEE Recommended Practice and Requirements for Harmonic Control in Electric Power Systems, pp.1–29, IEEE, (2014)

  4. Kyei, J., Ayyanar, R., Heydt, G., Thallam, R., Blevins, J.: The design of power acceptability curves. IEEE Trans. Power Deliv. 17(3), 828–833 (2002)

    Article  Google Scholar 

  5. Dawei Gao, Qingchun Lu, Jishou Luo: A new scheme for on-load tap-changer of transformers. Proceedings. International Conference on Power System Technology, 2, 1016–1020 (2002)

  6. Yorino, N., Danyoshi, M., Kitagawa, M.: Interaction among multiple controls in tap change under load transformers. IEEE Trans. Power Syst. 12(1), 430–436 (1997)

    Article  Google Scholar 

  7. Calovic, M.S.: Modeling and analysis of under-load tap-changing transformer control systems. IEEE Trans. Power Appar. Syst. 103(7), 1909–1915 (1984)

    Article  Google Scholar 

  8. Gyugyi, L.: Unified power-flow control concept for flexible AC transmission systems. IEE Proc. C Gener. Trans. Distrib. 139(4), 323–331 (1992)

    Article  Google Scholar 

  9. Lee, H.J., Lee, D.S., Yoon, Y.D.: Unified power flow controller based on autotransformer structure. Electron. 8(12), 1542 (2019)

    Article  Google Scholar 

  10. Kandula, R.P., Iyer, A., Moghe, R., Hernandez, J.E., Divan, D.: Power router for meshed systems based on a fractionally rated back-to-back converter. IEEE Trans. Power Electron. 29(10), 5172–5180 (2014)

    Article  Google Scholar 

  11. X. She, A. Huang: Solid state transformer in the future smart electrical system. 2013 IEEE Power & Energy Society General Meeting, Vancouver, BC, Canada. pp. 1–5 (2013). https://doi.org/10.1109/PESMG.2013.6672768

  12. C. Kumar, M. Liserre: Operation and control of smart transformer for improving performance of medium voltage power distribution system. 2015 IEEE 6th Int. Symp. Power Electron. Distrib. Gener. Syst. PEDG 2015, 1–6 (2015)

  13. R. Pena-Alzola, G. Gohil, L. Mathe, M. Liserre, F. Blaabjerg: Review of modular power converters solutions for smart transformer in distribution system. In: 2013 IEEE Energy Conversion Congress and Exposition, Denver, CO, USA. pp. 380–387. (2013). https://doi.org/10.1109/ECCE.2013.6646726

  14. X. She, R. Burgos, G. Wang, F. Wang, A. Huang: Review of solid state transformer in the distribution system: From components to field application. 2012 IEEE Energy Conversion Congress and Exposition (ECCE), 4077–4084 (2012)

  15. Hwang, S.-H., Liu, X., Kim, J.-M., Li, H.: Distributed digital control of modular-based solid-state transformer using dsp+fpga. IEEE Trans. Industr. Electron. 60(2), 670–680 (2013)

    Article  Google Scholar 

  16. Yang, R.H., et al.: A Battery-energy-storage-based DC dynamic voltage restorer for DC renewable power protection. IEEE Trans. Sustain. Energy 13(3), 1707–1721 (2022)

    Article  MathSciNet  Google Scholar 

  17. Hasan, S., Muttaqi, K.M., Sutanto, D., Rahman, M.A.: A novel dual slope delta modulation technique for a current source inverter based dynamic voltage restorer for mitigation of voltage sags. IEEE Trans. Indus. Appl. 57(5), 5437–5447 (2021)

    Article  Google Scholar 

  18. Lee, H., Kim, S., Cha, H., Kim, H.: Switching cell structured direct AC–AC converter-based three-phase DVR system using interphase voltage. J. Power Electron. 21(7), 1041–1051 (2021)

    Article  Google Scholar 

  19. J. Burkard, J. Biela: Hybrid Transformers for Power Quality Enhancements in Distribution Grids - Comparison to Alternative Concepts. Conference on Sustainable Energy Supply and Energy Storage Systems. 1–6 (2018)

  20. S. Bala, D. Das, E. Aeloiza, A. Maitra, S. Rajagopalan: Hybrid distribution transformer: Concept development and field demonstration. 2012 IEEE Energy Conversion Congress and Exposition (ECCE), 4061–4068 (2012)

  21. J. Sastry, S. Bala: Considerations for the design of power electronic modules for hybrid distribution transformers. 2013 IEEE Energy Conversion Congress and Exposition, 1422–1428 (2013)

  22. Kang, T., Choi, S., Morsy, A.S., Enjeti, P.N.: Series Voltage Regulator for a Distribution Transformer to Compensate Voltage Sag/Swell. IEEE Trans. Industr. Electron. 64(6), 4501–4510 (2017)

    Article  Google Scholar 

  23. Burkard, J., Biela, J.: Design of a protection concept for a 100-kVA hybrid transformer. IEEE Trans. Power Electron. 35(4), 3543–3557 (2020)

    Article  Google Scholar 

  24. Wong, P.-L., Xu, P., Yang, P., Lee, F.: Performance improvements of interleaving VRMS with coupling inductors. IEEE Trans. Power Electron. 16(4), 499–507 (2001)

    Article  Google Scholar 

  25. Sul, S.K.: Control of electric machine drive systems, Hoboken. Wiley, NJ (2011)

    Google Scholar 

  26. **ao, F., Dong, L., Li, L., Liao, X.: A frequency-fixed SOGI-based PLL for single-phase grid-connected converters. IEEE Trans. Power Electron. 32(3), 1713–1719 (2017)

    Article  Google Scholar 

  27. C. Hanju, et al.: Design and control of Proportional-Resonant controller based Photovoltaic power conditioning system. 2009 IEE Energy Conversion Congress and Exposition, 2198–2205 (2009)

Download references

Acknowledgements

This work was supported by the National Research Foundation of Korea (NRF) through a grant funded by the Korean government (MSIT) (NRF-2018R1D1A1B07051135 and NRF-2020R1A4A4079701).

Author information

Authors and Affiliations

  1. Department of Automotive Engineering, Hanyang University, Seoul, Republic of Korea

    Hyun-Jun Lee & Young-Doo Yoon

  2. Department of Automotive Engineering (Automotive-Computer Convergence), Hanyang University, Seoul, Republic of Korea

    Seung-Cheol Choi

Authors
  1. Hyun-Jun Lee
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Seung-Cheol Choi
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Young-Doo Yoon
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Young-Doo Yoon.

Rights and permissions

Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Lee, HJ., Choi, SC. & Yoon, YD. Intelligent distribution transformer using a fractionally rated converter based on an existing distribution transformer. J. Power Electron. 23, 832–838 (2023). https://doi.org/10.1007/s43236-023-00609-z

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s43236-023-00609-z

Keywords

Search

Navigation